Home / 1,920,651.90-2,650,272.24-1,146,139.21

Finding the Fourth Proportional to 1,920,651.90, 2,650,272.24 and 1,146,139.21

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Solution

The fourth proportional to 1,920,651.90, 2,650,272.24 and 1,146,139.21 is: 1,581,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,651.90 : 2,650,272.24 = 1,146,139.21 : x
  2. Step 2: Convert to fraction form
    1,920,651.90/2,650,272.24 = 1,146,139.21/x
  3. Step 3: Cross multiply
    1,920,651.90x = 2,650,272.24 × 1,146,139.21
  4. Step 4: Simplify right side
    1,920,651.90x = 3,037,580,931,438.53
  5. Step 5: Solve for x
    x = 3,037,580,931,438.53/1,920,651.90
  6. Step 6: Final answer
    x = 1,581,536.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.